Effective range for X(3872)

222/R-001 (CERN)



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Antonio Polosa (Universita' La Sapienza, Roma - Italy), Giovanni Cavallero (CERN), Liupan An (CERN), Marco Pappagallo (Universita e INFN, Bari (IT)), Vanya Belyaev (NRC "Kurchatov Institute" (ITEP) (RU))

The discussion meeting is devoted  to discission on the  determination of the effective range for the $X(3872)$ state and related items. 

The story initiated  in arXiv:2108.11413  publication and subsequent discussion during $T_{cc}^{+}$ miniworkshop  followed by arXiv:2110.07484 

    • 1:30 PM 1:35 PM
      Introducton 5m
    • 1:35 PM 2:00 PM
      TBD 25m
      Speakers: Antonio Polosa (Sapienza Universita e INFN, Roma I (IT)), Antonio Polosa (Universita' La Sapienza, Roma - Italy)
    • 2:00 PM 2:30 PM
      TBD 30m
      Speakers: Christoph Hanhart (IAS/IKP Forschungszentrum Jülich), Christoph Hanhart
      • Weinberg criterion and geenralisation of thereof 5m
        Speakers: Christoph Hanhart, Christoph Hanhart (IAS/IKP Forschungszentrum Jülich)
      • How to extract the effective range parameters 5m
        Speakers: Christoph Hanhart, Christoph Hanhart (IAS/IKP Forschungszentrum Jülich)
    • 2:30 PM 3:00 PM
      TBD 30m
      Speakers: Alessandro Pilloni (Syracuse University (US)), Alessandro Pilloni (Jefferson Lab), Alessandro Pilloni (Syracuse University (US))
    • 3:00 PM 3:15 PM
      LHCb: X(3872) 15m
      Speakers: Sebastian Neubert (Technical University Munich), Sebastian Neubert (University of Bonn (DE))
    • 3:15 PM 3:35 PM
      $T_{cc}^{+}$ 20m
      Speaker: Mikhail Mikhasenko (Excellence Cluster ORIGINS)
    • 3:35 PM 3:55 PM
      Generalization of Weinberg's Compositeness Relations 20m


      Speakers: Feng-Kun Guo (University of Bonn), Feng-Kun Guo (FZJ), Feng-Kun Guo (Insitute of Theoretical Physics, Chinese Academy of Sciences)